Systemd Services

Oracle Linux 8 — xterm — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — xterm — vulnerability — patch and remediation guide (ELSA-2021-0611)

🟠 High   ⏱ 15–60 min  Last verified: 16 November 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2021-0611 Related CVEs: CVE-2021-27135 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]

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Debian 11 — expat — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — expat — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 16 November 2021 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2009-3560 CVE-2009-3720 CVE-2012-0876 CVE-2012-1148 CVE-2012-6702 CVE-2013-0340 CVE-2015-1283 CVE-2016-0718  +12 more Upstream summary: The big2_toUtf8 function in lib/xmltok.c in libexpat in Expat 2.0.1, as used in the XML-Twig module […]

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Amazon Linux 2 — libldb — vulnerability — patch and remediation guide — diagnosis and fix on Amazon Linux 2

Amazon Linux 2 — libldb — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2-2021-1628 Related CVEs: CVE-2021-20277 Upstream summary: A flaw was found in Samba's libldb. Multiple, consecutive leading spaces in an LDAP attribute can lead to an out-of-bounds memory write, leading to […]

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Oracle Linux 8 — .NET Core 3.1 security, bug fix, and — enhancement update — new behaviour and fixes — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — .NET Core 3.1 security, bug fix, and — enhancement update — new behaviour and fixes

🟠 High   ⏱ 15–60 min  Last verified: 15 November 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-2202 Related CVEs: CVE-2022-23267 CVE-2022-29117 CVE-2022-29145 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification […]

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FreeBSD 13 — postgresql-client — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — postgresql-client — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 15 November 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: databases/postgresql*-client — multiple vulnerabilities Related CVEs: CVE-2009-4034 CVE-2009-4136 CVE-2012-0866 CVE-2012-0867 CVE-2012-0868 Upstream summary: The PostgreSQL Global Development Group reports: These vulnerabilities could allow users to define triggers that execute functions […]

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FreeBSD 13 — linux-c6-nss — multiple vulnerabilities (10 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — linux-c6-nss — multiple vulnerabilities (10 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 15 November 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: nss — Use-after-free in TLS 1.2 generating handshake hashes Related CVEs: CVE-2014-1568 CVE-2015-7575 CVE-2016-1938 CVE-2016-1950 CVE-2016-1978 CVE-2016-1979 CVE-2016-2834 CVE-2017-5461  +2 more Upstream summary: Mozilla reports: During TLS 1.2 exchanges, handshake […]

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How to Install Keepalived for High Availability on FreeBSD 13 — step-by-step FreeBSD 13 tutorial on Progressive Robot

How to Install Keepalived for High Availability on FreeBSD 13

Introduction FreeBSD 13 is a UNIX-derived operating system renowned for its network stack performance, ZFS integration, and Jail isolation primitives. Setting up install keepalived for high availability on freebsd 13 on FreeBSD 13 follows the rc.conf/service(8) paradigm rather than systemd, which means enabling a service and configuring its startup options are done differently from any […]

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FreeBSD 13 — php55-fileinfo — security advisory — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — php55-fileinfo — security advisory — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 15 November 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: php — multiple vulnerabilities Upstream summary: The PHP Group reports: Fileinfo: Fixed bug #71527 (Buffer over-write in finfo_open with malformed magic file). mbstring: Fixed bug #71906 (AddressSanitizer: negative-size-param (-1) in […]

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FreeBSD 13 — p5-Config-IniFiles — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — p5-Config-IniFiles — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 15 November 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: p5-Config-IniFiles — unsafe temporary file creation Related CVEs: CVE-2012-2451 Upstream summary: Unsafe Temporary file creation Config::IniFiles used a predictable name for its temporary file without opening it correctly. Table of […]

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